Battery Countdown and Smart Safety Lock < < Designed with battery status countdown in percentage on large LCD display to remind you of recharging when necessary; Easily active smart safety lock by continously press on/off button for 3 seconds to avoid unexpected starting up on a trip

Wet and Dry Safe to Use < < IPX7 100% the whole-body washable design for easy cleaning and safe to use while showering. It allows you to shave wet with gel or foam for extra skin protection or dry for convenience